It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-435888219037.mit-edu.top/post/9581436702

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-435888219037.mit-edu.top",cType: 'managed',cRay: '911055e7d9798268',cH: 'X88v.bQIn3WsKPawFAfyCHkfsXjdvgzw6LDyx7jLtoc-1739402702-1.2.1.1-BZbBFF9gKKnvhBlDkdVPf6vIzRpvdgbRG7VKjSJd76zAltWIBfoE7VujgIYfRShL',cUPMDTk: "\/post\/9581436702?__cf_chl_tk=52C6b5zTRCSha2ncNTiuXSvyWPWfAja9nGFn7uGc.qg-1739402702-1.0.1.1-X.FEZGj2JAdBAsqM4FiJsW8EhPZPrZBBqZCsOVpO5GE",cFPWv: 'b',cITimeS: '1739402702',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9581436702?__cf_chl_f_tk=52C6b5zTRCSha2ncNTiuXSvyWPWfAja9nGFn7uGc.qg-1739402702-1.0.1.1-X.FEZGj2JAdBAsqM4FiJsW8EhPZPrZBBqZCsOVpO5GE",md: "Z9QEWC2inECFVQCP_25cs8RxM_tzBezWA79rNA.hR68-1739402702-1.2.1.1-65IYltyU.oayscbbXhxv.apKgE1q3NT.LnLx4crRjrbn0Dsny0im29vUG1qu7yg12Q3u_P51SqXM5cIiEWtagUDj65sFnxblOXNuYGur3KE5hlQW_S23pEdX2JC2PaseIZ6qj_3Z25erqlagZcy8pCIwXoDjofyVAel88E.dgboAa9.gJZzxzt7TAukhrpHvTKj3ba1xSmapCzGdeddJCresgcoILSsK4uqTiXejpv0RCNZzVNofolAE.E1BYstiIeXGGa85yMgpHoEALPykrcOkGCnCziaHxggRouxhh_QtKATtQwW3LnbNTcyevcRok8vbfstwti0h6l_mJptdFG.JqURhpsvCmC_X5UZIgoREVZmXQwLywCFtNxFBkuIIcX6NQMhw81Bb.sCtdgDAtsUPstvcFdAW_wJRC6rgHG5Q1.KsMUgTc35SZPcNB6fLTl3gHhwrj5_EyViX.Q21asgnH_4Rd0_X1CHvGPB1pXUl.x2D2w.DfaLU1xuLsV1UIhi6v8KtrmMwVodj_FrgQNGYf5II9PlxBKlWbdjbvdHxfe268e7_SoOmOFrXxtGfcKR9UHK7OnCl9R9YeY6jeLuffaYXCAJJ7DbG5X4ejmpwyY1ljTpiFe70.RKXykW7zfkIOdQDW9r11HQchev0fbgTAFBD4.vCfx0Tt5.jK1s_cdlVWz1VkkmnNwTjW00vi1kPQz9fOGyJsskqQRQn1GALCPMBe3qT_1R886.akLd7NGOZtcMANEZAuhYhQLs.juwml7K4zyD6Et4xhIioOvf9HA5UREkJg.twEwZk8J.OZCHADz5oneOuy5hcNKRKvSShhkkw_PTzmR8DP8Lo0z8eJ_nKsLOFF1vTPsQUPe02C4fajPaYXI0IcfTcBtIYlR5eCuMl6_mPMDnwq7i.JD4TfbQc.aCbVar_vTtFvt7_J07fLmSy1Z4NRwSrbmAuv77itYkBQoobx4bcXy1sD_uRBXxy9lZfSOaNqnFTnSty02jq_UHl9jQEoF_N6m8SCSpIBKNRmTUPpqaClMa5_N7uWZvxOaZ9nvm68Vot9Lr_HVlWO7rl..JjCjpPigjRO4txYQ_X0GJ7WJd9IgzgU45XDBbyxO8wHZ3e4YEY6Dr3o0n3W7.slW3c.iQ33jiOrT_5au7lyy0B5m9.RKvrI301hjqP1skx6i8bpDQPDe0JoVc_faqWSgusrrchOI7l99fFuOsXapwVO29A4GFzpSynchERF_XRNXFUD2vx5QliPa2Mhhj4GqQzNpAw8ONz1tNZ0P1YvxAPM0WxsAesGqRgym75LjbO1idqr.vwhEw0PCA67mq.GeTL.ayY.qU4EQY6cqoiSMmQj6ErLeGyroDXSI.FDkx7Ij5ZYABV3OQuA48RIBUew6JZAVsvFpf7EG6eYe5W7axL2vTv3fIT.ITxC8OeV770CyuUOV7dwlGVchf.hp.YFVNIy1Iz0WrLQukrDKRtHas5czoi9.k5YfrzQqWCQgQZ8h9MJj0zNXMtsJE81VNs3lDLqQM65fU7fIbcmtyiW46Hjc7LUUtTvOCpnlv1PobvfCLM0KF4jmVtVzUhh4EHUSmDzh8KuWOMs0dXMeDyURLJdSF1z9CFipgGAT_a1gVQPQNe8kQue2qDSnZ8B5c.LF2yECvuETWFdCnJkBJPMgPasV6_VzlejR9l_2.OtsJ9bp5DCXy.7a3w5BocQUw9s_6jcKLLo5ev72r742eoQSU7Uww_aexSb8pqaduUjLEI2J4Emk9kQ6oEUpqVh1IUAvXlWBSWU9TPTX6EibxsYa8m09pUERS8Knq9EIZwm9dA3rjtbAAtab8n0NGzuIGzOABK2pAjkLsWLUH2SVBKSkxW5DbY6N.Ot5IGmlrms1alCc7uSoiYaY84aYoM5Dq4FF1NW.Y3RXgZNHSPhdyFThcqLFh1a2Aem7IvPoQqJzW11N9vTLVGcPeejgu0hz4fFGK10ygiNyBHWCkg7ur4k9hdluZ46fErU0SOHbR7cCgIGQVDUQ3LMaYVA0XjkgwNDI9SRjZsIEFBukMNMKJruuGfESIDLyWjBtmMN1rUL_pOMhOJx7XeWJ0vQ8e0glfvFbUWnFZBWCsEoqbkDLEZmful_hv7uMCLBbPlFqJbdQyyDqRDENaofPdLqoE68Sl1fzOgDnSO1O5Y7VsQsY3_k8HlfE6IRZSoMTlhUcZiz.XKhZRxZq5rsj50F.O0BykGBBGFO4gzN9AU",mdrd: "FXQFU.JUj.W6dX4rl.JsAFKRKclPiN5d6Efsrbt54bA-1739402702-1.2.1.1-VRInZiztQGs5tv4EaM7snlKkhCjHaaD1purEPc5vasIJXo.GcTCN0vrVco0afMnyQY6Lp3J_N1E0iArwBcb7xlTtQJUpVQIkoqRBrH40Jh0P4pcDNqCWol4ByExjOGP9E0pxCahyq8yGBjwDDwHTWgsgPrngTY8X._.gyApU3VJ_9fVsHpI4nL77P_vUW8cuoTh0Tjj54E0zRM35jmIPCyZjgBaUYmQE.x7ox9hrDREMlMMWFnlyp7oBnVJc.w4RllYhompLgxxgkmez5qyOjYlDDxWB3NwD4SsJgOpwcF4osnR3622x89UPHB_N9xCmy.V0lfwbRC10m9iX7GT011dN4UFaVjmS6RRdxr8xKnTNuMmJB6t1TuZXAnMf_VWHYP92YsFSBhQYedIi4FjG.sJPkffUWrpH5GGTlKZ6qWN2rCQs_jsiVelxfOwEqv1_6GLnDTMAFD6cb1ModzHqmxdjC35WYDUJ8HTyQ.YIQC622waxzFbZiSRYNWjictoE8.LfTpmi4.XQ37lM_Gg7.F8UntrQLBLt_ykCMd9hkaCRrLN_.xg6p6M1ZLq8PN.jKrM0DnqrgL.xdl_Nlgtt3nGezr24UFukX.p1R7ZmgdNXi8r7PW6aETjeFSIz6yDiQN6YDksAB82pOwxxxrSXeigqzMhRG8U_S8U3H2iA6KDLHJaqlXsq7IC_0RXwHjO26yPNGoPrz61XqWlmLpkLCUQpWcm9_6ML2kqIgae5ksDV0dDl5PwUaoObNk7h0AQRPFZ3sudi44h4OuEXTBKSngGGwioLK.oDZRhFReo74PAbZXSNbfuRVmanP5Eeb4wOhrc_eEbdxPCBMBGYZ1FTKLOnxWYaS8rLPlvyAp.RMPCN9xITTVAb9dDm2JznvcJnop2_DILrYj0oJci9qs7gphFQVZi3hLtaL54zrweKFuvyluAR7PAluuuGtHeMEPXgbSSNbtk2OsonZf4H3RklNp_BOla.pwrVw4uOXgnCg7IVCHWzJVE35ov7z7DakUeSHv.FNa4NtJJOlVt6CLU_WAzCQ0eYCYcdLLnzYzer0LSXk7QdMq.QfTjliET6PdOao1BBwnLePN.mW2ybldPwr4dqZLS6XFqMYepr8n2q_MxD8Trz_jm9SFuxOPZ9pzQfF05zpNgfVA_lCt9jN_qImNyteQ4fWux4csZ7SvUQrXlbOC0jjEpQem.LoR01nBi6t5PQi1Z6xJN8OXqzi2sSq9nOyv.jxkHw5ZiQkQt32dDBFiFVgUQViPv8afdNw3k3Zt3i.Fox9DRJaR4ke8j6GxNljr413gyA0G8md5qKm75y1H4OeavMOK8VSizU1bAzMTpA65iiFeW8dadZ2iKiqcKALBXkX_AQbnmrLpZabD_HsY6sSRYuBD39OXFyuw8BMVhoE.Nqqk1gNIvB_.7QOoo4Z4aG67EhkNBBJBbksd0ElrLHrIB8Ywp5sxbz3ecAnwpq_As8ny8BRe_X3lJJVmJz3ADwN1eSxz9cb2kICDEm_dgjh108RTR9i_RcB0MHmyPlI1Wt.Wf5vyE.FMNI0UJQ2bi1fPACmzEUIBigsvHYh2PB8GVz9dM2QqJ6XksqTg5S8gxZX5cs9KxLyCxO5HsSKwW.aj7wFbx38dWwMD1g8U6c0sggMOhBT3BPpHozq2wloTPR3IqGHheIMJQ5hcy4ufsRNX5TjLb_ZsE3TBCi23bPSuwCyiT3uJL6zr_V.DAD7kGv25sLjLPX2wNX9rlonlWwzpCElLThr_8by0rGtMp32FQRDDGXzA0ghwAObheE2xxoKzhkBde3.Xkx8OxnqApXt.XLnXd2w7wJKU4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911055e7d9798268';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/9581436702?__cf_chl_rt_tk=52C6b5zTRCSha2ncNTiuXSvyWPWfAja9nGFn7uGc.qg-1739402702-1.0.1.1-X.FEZGj2JAdBAsqM4FiJsW8EhPZPrZBBqZCsOVpO5GE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda